445/37R23 Tire Size Specifications
This tire size 445/37R23 fits 0 vehicles in our database.
Everything to know about the 445/37R23 tire size
Size geometry
A 445/37R23 tire has a 445mm section width and a 37% aspect ratio, mounted on a 23-inch rim. Sidewall height works out to 164.7mm (6.48") and overall outside diameter is 913.5mm (35.96"). At highway speed the tire completes about 348 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 445/37R23 is unavailable, the closest same-diameter substitutes on the same rim are 435/38R23 and 455/36R23. Both keep your speedometer reading within 1% â safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.
Plus / minus sizing options
For a 445/37R23 you can upsize to 455/33R24 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 435/41R22 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.
Vehicle compatibility
0 vehicles in our database run the 445/37R23 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance â match these specs to your wheel before purchasing tires.
Vehicles Using 445/37R23
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